Small, blocky shapes of towns, fields, and pastures surround the meandering Mississippi River, the largest river system in North America in this Landsat image. (NASA’s Goddard Space Flight Center/USGS)
Home Small, blocky shapes of towns, fields, and pastures surround the meandering Mississippi River, the largest river system in North America in this Landsat image. (NASA’s Goddard Space Flight Center/USGS) Small, blocky shapes of towns, fields, and pastures surround the meandering Mississippi River, the largest river system in North America in this Landsat image. (NASA's Goddard Space Flight Center/USGS)